The utility of the biomedical model of adjusted statistics is demonstrated. The model is recommended for use by educational researchers to randomize subjects for a more accurate estimate of school programs' success or failure when compared across classrooms or other units. (Author/MH)

The Pre-Postsecondary Program (PPSP) was conducted during the 1974-75 school year at four Ohio secondary schools in order to offer a career exploration program for students in grades 11 and 12 that would be related to the high school content and provide a foundation for careers in the students' areas of interest. The report presents the evaluation…

This chapter should not only acquaint the reader with the present state of the art on Criterion-Referenced (CR) measurement but also suggest possible directions for further inquiry. The goal of the first part of this chapter is to deal with the definitional dilemma of CR measurement by proceeding from the more traditional view of CR measurement to…